Reword the intrinsic dimensions paragraph per dbaron's suggestions.

--HG--
extra : rebase_source : de8ee2f02b1f7113a3ce7dfb36a1f61149311d88

Author: tabatkins

css3-images/Overview.html

@@ -1825,19 +1825,17 @@ <h3 id=sizing-terms><span class=secno>5.1. </span> Object-Sizing
    <dt><dfn id=intrinsic-dimensions>intrinsic dimensions</dfn>
 
    <dd>
-    <p>An object's intrinsic dimensions are its preferred, natural width,
-     height, and aspect ratio, if they exist. There can be an <dfn
-     id=intrinsic-height>intrinsic height</dfn> and <dfn
-     id=intrinsic-width>intrinsic width</dfn>, defining a definite rectangle
-     and an <a href="#intrinsic-aspect-ratio"><i>intrinsic aspect
-     ratio</i></a>. (Most bitmap images fall into this category.) There can
-     be only an <dfn id=intrinsic-aspect-ratio>intrinsic aspect ratio</dfn>
-     defining the relation of the width to the height, but no definite size.
-     (SVG images designed to scale may fall into this category.) There can be
-     just an intrinsic height or width. Or there can be no intrinsic
-     dimensions at all, implying that the object has no preferred size or
-     aspect ratio. (Embedded documents are often assumed to have no intrinsic
-     size, as are CSS gradients, defined in this specification.)</p>
+    <p>The term intrinsic dimensions refers to the set of the intrinsic
+     height, intrinsic width, and intrinsic aspect ratio, each of which may
+     or may not exist for a given object. These intrinsic dimensions
+     represent a preferred or natural size of the object itself, that is,
+     they are not a function of the context in which the object is used.</p>
+
+    <p>An object may have no intrinsic dimensions (such as CSS gradients),
+     only one intrinsic dimension (SVG images designed to scale may have only
+     an aspect ratio), or all three intrinsic dimensions (all raster images,
+     for example). <span class=note>(Note: an object cannot have only two
+     intrinsic dimensions, as any two automatically define the third.)</span></p>
 
     <p>If an object (such as an icon) has multiple sizes, then the largest
      size is taken as its intrinsic size. If it has multiple aspect ratios at
@@ -1985,11 +1983,10 @@ <h3 id=default-sizing><span class=secno>5.3. </span> Default Concrete
     that specified width or height. The other dimension is calculated as
     follows:
     <ol>
-     <li>If the object has an <a href="#intrinsic-aspect-ratio"><i>intrinsic
-      aspect ratio</i></a>, the missing dimension of the <a
-      href="#concrete-object-size"><i>concrete object size</i></a> is
-      calculated using the <i>intrinsic aspect-ratio</i> and the present
-      dimension.
+     <li>If the object has an <i>intrinsic aspect ratio</i>, the missing
+      dimension of the <a href="#concrete-object-size"><i>concrete object
+      size</i></a> is calculated using the <i>intrinsic aspect-ratio</i> and
+      the present dimension.
 
      <li>Otherwise, if the missing dimension is present in the object's <a
       href="#intrinsic-dimensions"><i>intrinsic dimensions</i></a>, the
@@ -2006,24 +2003,20 @@ <h3 id=default-sizing><span class=secno>5.3. </span> Default Concrete
     dimensions of the <a href="#concrete-object-size"><i>concrete object
     size</i></a> are calculated as follows:
     <ol>
-     <li>If the object has only an <a
-      href="#intrinsic-aspect-ratio"><i>intrinsic aspect ratio</i></a>, the
-      <a href="#concrete-object-size"><i>concrete object size</i></a> must
-      have that aspect ratio, and additionally be as large as possible
-      without either its height or width exceeding the height or width of the
-      <a href="#default-object-size"><i>default object size</i></a>.
-      Otherwise, the width and height of the <a
-      href="#concrete-object-size"><i>concrete object size</i></a> is the
-      same as the object's <a href="#intrinsic-width"><i>intrinsic
-      width</i></a> and <a href="#intrinsic-height"><i>intrinsic
-      height</i></a>, if they exist.
+     <li>If the object has only an <i>intrinsic aspect ratio</i>, the <a
+      href="#concrete-object-size"><i>concrete object size</i></a> must have
+      that aspect ratio, and additionally be as large as possible without
+      either its height or width exceeding the height or width of the <a
+      href="#default-object-size"><i>default object size</i></a>. Otherwise,
+      the width and height of the <a href="#concrete-object-size"><i>concrete
+      object size</i></a> is the same as the object's <i>intrinsic width</i>
+      and <i>intrinsic height</i>, if they exist.
 
      <li>If the <a href="#concrete-object-size"><i>concrete object
       size</i></a> is still missing a width or height, and the object has an
-      <a href="#intrinsic-aspect-ratio"><i>intrinsic aspect ratio</i></a>,
-      the missing dimension is calculated from the present dimension and the
-      <a href="#intrinsic-aspect-ratio"><i>intrinsic aspect ratio</i></a>.
-      Otherwise, each missing dimension is taken from the <a
+      <i>intrinsic aspect ratio</i>, the missing dimension is calculated from
+      the present dimension and the <i>intrinsic aspect ratio</i>. Otherwise,
+      each missing dimension is taken from the <a
       href="#default-object-size"><i>default object size</i></a>.
     </ol>
   </ul>
@@ -2099,9 +2092,8 @@ <h3 id=object-fit><span class=secno>5.4. </span> Sizing Objects: the
 
   <p>Not all replaced elements can be scaled, but images typically can.
 
-  <p>If the replaced element's content does not have an <a
-   href="#intrinsic-aspect-ratio"><i>intrinsic aspect ratio</i></a>, all of
-   the values for &lsquo;<a href="#object-fit0"><code
+  <p>If the replaced element's content does not have an <i>intrinsic aspect
+   ratio</i>, all of the values for &lsquo;<a href="#object-fit0"><code
    class=property>object-fit</code></a>&rsquo; are treated as &lsquo;<code
    class=css>fill</code>&rsquo;. Otherwise, the object is scaled as follows:
 
@@ -2980,21 +2972,12 @@ <h2 class=no-num id=index>Index</h2>
    <li>image-resolution, <a href="#image-resolution0"
     title=image-resolution><strong>6.1.</strong></a>
 
-   <li>intrinsic aspect ratio, <a href="#intrinsic-aspect-ratio"
-    title="intrinsic aspect ratio"><strong>5.1.</strong></a>
-
    <li>intrinsic dimensions, <a href="#intrinsic-dimensions"
     title="intrinsic dimensions"><strong>5.1.</strong></a>
 
-   <li>intrinsic height, <a href="#intrinsic-height"
-    title="intrinsic height"><strong>5.1.</strong></a>
-
    <li>intrinsic resolution, <a href="#intrinsic-resolution"
     title="intrinsic resolution"><strong>6.1.</strong></a>
 
-   <li>intrinsic width, <a href="#intrinsic-width"
-    title="intrinsic width"><strong>5.1.</strong></a>
-
    <li>invalid image, <a href="#invalid-image"
     title="invalid image"><strong>3.</strong></a>
 

css3-images/Overview.src.html

@@ -1065,17 +1065,9 @@ <h3 id="sizing-terms">
 	<dl>
 		<dt><dfn>intrinsic dimensions</dfn></dt>
 		<dd>
-			<p>An object's intrinsic dimensions are its preferred, natural width,
-			height, and aspect ratio, if they exist. There can be an <dfn>intrinsic height</dfn> 
-			and <dfn>intrinsic width</dfn>, defining a definite rectangle and an
-			<i>intrinsic aspect ratio</i>. (Most bitmap images fall into this category.)
-			There can be only an <dfn>intrinsic aspect ratio</dfn> defining the
-			relation of the width to the height, but no definite size. 
-			(SVG images designed to scale may fall into this category.) There can be 
-			just an intrinsic height or width. Or there can be no intrinsic dimensions 
-			at all, implying that the object has no preferred size or aspect ratio. 
-			(Embedded documents are often assumed to have no intrinsic size, as are 
-			CSS gradients, defined in this specification.)</p>
+			<p>The term intrinsic dimensions refers to the set of the intrinsic height, intrinsic width, and intrinsic aspect ratio, each of which may or may not exist for a given object. These intrinsic dimensions represent a preferred or natural size of the object itself, that is, they are not a function of the context in which the object is used.</p>
+
+			<p>An object may have no intrinsic dimensions (such as CSS gradients), only one intrinsic dimension (SVG images designed to scale may have only an aspect ratio), or all three intrinsic dimensions (all raster images, for example).  <span class='note'>(Note: an object cannot have only two intrinsic dimensions, as any two automatically define the third.)</span></p>
 
 			<p>If an object (such as an icon) has multiple sizes, then the largest 
 			size is taken as its intrinsic size. If it has multiple aspect ratios